./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef75293aeb91e37969e4557310245e0c38a479cd ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef75293aeb91e37969e4557310245e0c38a479cd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:32:36,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:32:36,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:32:36,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:32:36,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:32:36,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:32:36,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:32:36,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:32:36,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:32:36,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:32:36,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:32:36,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:32:36,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:32:36,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:32:36,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:32:36,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:32:36,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:32:36,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:32:36,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:32:36,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:32:36,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:32:36,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:32:36,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:32:36,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:32:36,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:32:36,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:32:36,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:32:36,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:32:36,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:32:36,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:32:36,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:32:36,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:32:36,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:32:36,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:32:36,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:32:36,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:32:36,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:32:36,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:32:36,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:32:36,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:32:36,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:32:36,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 16:32:36,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:32:36,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:32:36,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:32:36,769 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:32:36,769 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:32:36,769 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:32:36,769 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:32:36,769 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:32:36,769 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:32:36,769 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:32:36,770 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:32:36,770 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:32:36,770 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:32:36,774 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:32:36,775 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:32:36,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:32:36,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:32:36,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:32:36,776 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:32:36,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:32:36,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:32:36,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:32:36,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:32:36,777 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:32:36,777 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:32:36,777 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 16:32:36,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:32:36,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:32:36,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:32:36,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:32:36,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:32:36,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:32:36,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:32:36,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:32:36,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:32:36,779 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:32:36,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:32:36,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:32:36,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:32:36,779 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-12-09 16:32:36,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:32:36,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:32:36,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:32:36,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:32:36,985 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:32:36,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-09 16:32:37,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/a82876cd5/53c0d0ce7f2740c7b489b7793eac1116/FLAG24531ef58 [2020-12-09 16:32:37,490 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:32:37,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-09 16:32:37,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/a82876cd5/53c0d0ce7f2740c7b489b7793eac1116/FLAG24531ef58 [2020-12-09 16:32:37,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/a82876cd5/53c0d0ce7f2740c7b489b7793eac1116 [2020-12-09 16:32:37,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:32:37,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:32:37,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:32:37,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:32:37,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:32:37,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:32:37" (1/1) ... [2020-12-09 16:32:37,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d8e801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:37, skipping insertion in model container [2020-12-09 16:32:37,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:32:37" (1/1) ... [2020-12-09 16:32:37,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:32:37,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:32:37,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:32:37,747 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-12-09 16:32:37,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@235685cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:37, skipping insertion in model container [2020-12-09 16:32:37,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:32:37,748 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 16:32:37,749 INFO L168 Benchmark]: Toolchain (without parser) took 236.34 ms. Allocated memory is still 102.8 MB. Free memory was 80.6 MB in the beginning and 70.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:37,750 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 83.9 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:32:37,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.70 ms. Allocated memory is still 102.8 MB. Free memory was 80.6 MB in the beginning and 70.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:37,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 83.9 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.70 ms. Allocated memory is still 102.8 MB. Free memory was 80.6 MB in the beginning and 70.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:32:39,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:32:39,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:32:39,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:32:39,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:32:39,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:32:39,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:32:39,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:32:39,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:32:39,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:32:39,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:32:39,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:32:39,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:32:39,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:32:39,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:32:39,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:32:39,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:32:39,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:32:39,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:32:39,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:32:39,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:32:39,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:32:39,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:32:39,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:32:39,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:32:39,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:32:39,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:32:39,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:32:39,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:32:39,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:32:39,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:32:39,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:32:39,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:32:39,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:32:39,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:32:39,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:32:39,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:32:39,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:32:39,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:32:39,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:32:39,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:32:39,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 16:32:39,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:32:39,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:32:39,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:32:39,226 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:32:39,226 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:32:39,227 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:32:39,227 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:32:39,227 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:32:39,227 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:32:39,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:32:39,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:32:39,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:32:39,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:32:39,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:32:39,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:32:39,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:32:39,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:32:39,230 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:32:39,230 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:32:39,230 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 16:32:39,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:32:39,230 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:32:39,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:32:39,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:32:39,231 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:32:39,231 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:32:39,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:32:39,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:32:39,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:32:39,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:32:39,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:32:39,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:32:39,233 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:32:39,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:32:39,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:32:39,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:32:39,233 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-12-09 16:32:39,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:32:39,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:32:39,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:32:39,522 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:32:39,523 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:32:39,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-09 16:32:39,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/a53a81e5b/1287e60475f640139fa381ee8b156af0/FLAG513c77bf3 [2020-12-09 16:32:40,040 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:32:40,040 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-09 16:32:40,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/a53a81e5b/1287e60475f640139fa381ee8b156af0/FLAG513c77bf3 [2020-12-09 16:32:40,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/data/a53a81e5b/1287e60475f640139fa381ee8b156af0 [2020-12-09 16:32:40,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:32:40,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:32:40,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:32:40,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:32:40,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:32:40,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e192219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40, skipping insertion in model container [2020-12-09 16:32:40,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:32:40,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:32:40,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:32:40,318 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 16:32:40,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:32:40,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:32:40,356 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:32:40,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:32:40,430 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:32:40,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40 WrapperNode [2020-12-09 16:32:40,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:32:40,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:32:40,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:32:40,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:32:40,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:32:40,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:32:40,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:32:40,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:32:40,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... [2020-12-09 16:32:40,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:32:40,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:32:40,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:32:40,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:32:40,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:32:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 16:32:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:32:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 16:32:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:32:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:32:40,799 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:32:40,799 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 16:32:40,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:32:40 BoogieIcfgContainer [2020-12-09 16:32:40,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:32:40,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:32:40,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:32:40,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:32:40,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:32:40" (1/3) ... [2020-12-09 16:32:40,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39dbe0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:32:40, skipping insertion in model container [2020-12-09 16:32:40,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:40" (2/3) ... [2020-12-09 16:32:40,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39dbe0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:32:40, skipping insertion in model container [2020-12-09 16:32:40,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:32:40" (3/3) ... [2020-12-09 16:32:40,806 INFO L111 eAbstractionObserver]: Analyzing ICFG array-realloc-1.i [2020-12-09 16:32:40,815 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:32:40,818 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-12-09 16:32:40,825 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-09 16:32:40,839 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:32:40,840 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 16:32:40,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:32:40,840 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:32:40,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:32:40,840 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:32:40,840 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:32:40,840 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:32:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-09 16:32:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 16:32:40,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:40,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 16:32:40,854 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:40,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:40,857 INFO L82 PathProgramCache]: Analyzing trace with hash 925656, now seen corresponding path program 1 times [2020-12-09 16:32:40,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:40,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382824306] [2020-12-09 16:32:40,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:40,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:32:40,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:40,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:40,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382824306] [2020-12-09 16:32:40,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:40,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:32:40,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353600735] [2020-12-09 16:32:40,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:32:40,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:40,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:32:40,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:40,963 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2020-12-09 16:32:41,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:41,003 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-12-09 16:32:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:32:41,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-09 16:32:41,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:41,010 INFO L225 Difference]: With dead ends: 31 [2020-12-09 16:32:41,010 INFO L226 Difference]: Without dead ends: 28 [2020-12-09 16:32:41,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:41,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-09 16:32:41,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-09 16:32:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 16:32:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-12-09 16:32:41,033 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 4 [2020-12-09 16:32:41,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:41,033 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-12-09 16:32:41,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:32:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-12-09 16:32:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 16:32:41,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:41,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 16:32:41,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:32:41,234 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:41,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:41,235 INFO L82 PathProgramCache]: Analyzing trace with hash 28695828, now seen corresponding path program 1 times [2020-12-09 16:32:41,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:41,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869223525] [2020-12-09 16:32:41,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:41,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:32:41,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:41,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:41,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869223525] [2020-12-09 16:32:41,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:41,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:32:41,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938928416] [2020-12-09 16:32:41,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:32:41,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:41,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:32:41,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:41,297 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 3 states. [2020-12-09 16:32:41,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:41,310 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2020-12-09 16:32:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:32:41,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 16:32:41,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:41,311 INFO L225 Difference]: With dead ends: 28 [2020-12-09 16:32:41,312 INFO L226 Difference]: Without dead ends: 28 [2020-12-09 16:32:41,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:41,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-09 16:32:41,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-09 16:32:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 16:32:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-12-09 16:32:41,316 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 5 [2020-12-09 16:32:41,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:41,317 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-12-09 16:32:41,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:32:41,317 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-12-09 16:32:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 16:32:41,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:41,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:41,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 16:32:41,520 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:41,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:41,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1806910252, now seen corresponding path program 1 times [2020-12-09 16:32:41,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:41,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084217763] [2020-12-09 16:32:41,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:41,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:32:41,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:41,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:41,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084217763] [2020-12-09 16:32:41,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:41,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:32:41,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119616343] [2020-12-09 16:32:41,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:32:41,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:41,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:32:41,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:41,689 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 3 states. [2020-12-09 16:32:41,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:41,718 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-12-09 16:32:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:32:41,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-09 16:32:41,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:41,719 INFO L225 Difference]: With dead ends: 42 [2020-12-09 16:32:41,719 INFO L226 Difference]: Without dead ends: 42 [2020-12-09 16:32:41,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:41,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-09 16:32:41,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30. [2020-12-09 16:32:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-09 16:32:41,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-12-09 16:32:41,723 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 7 [2020-12-09 16:32:41,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:41,724 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-12-09 16:32:41,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:32:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-09 16:32:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 16:32:41,724 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:41,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:41,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 16:32:41,926 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:41,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:41,928 INFO L82 PathProgramCache]: Analyzing trace with hash 179688781, now seen corresponding path program 1 times [2020-12-09 16:32:41,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:41,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766111092] [2020-12-09 16:32:41,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:42,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 16:32:42,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:42,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:42,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766111092] [2020-12-09 16:32:42,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:42,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:32:42,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030716232] [2020-12-09 16:32:42,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:32:42,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:42,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:32:42,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:32:42,051 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2020-12-09 16:32:42,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:42,117 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2020-12-09 16:32:42,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:32:42,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-09 16:32:42,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:42,118 INFO L225 Difference]: With dead ends: 64 [2020-12-09 16:32:42,118 INFO L226 Difference]: Without dead ends: 64 [2020-12-09 16:32:42,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-09 16:32:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-12-09 16:32:42,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 31. [2020-12-09 16:32:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 16:32:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-12-09 16:32:42,122 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 8 [2020-12-09 16:32:42,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:42,123 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-12-09 16:32:42,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:32:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-12-09 16:32:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 16:32:42,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:42,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:42,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 16:32:42,326 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:42,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:42,327 INFO L82 PathProgramCache]: Analyzing trace with hash 179690703, now seen corresponding path program 1 times [2020-12-09 16:32:42,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:42,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724639568] [2020-12-09 16:32:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:42,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:32:42,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:42,487 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:32:42,487 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-12-09 16:32:42,490 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:32:42,505 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-12-09 16:32:42,508 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 16:32:42,508 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2020-12-09 16:32:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:42,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:42,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724639568] [2020-12-09 16:32:42,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:42,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:32:42,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747764960] [2020-12-09 16:32:42,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:32:42,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:42,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:32:42,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:32:42,521 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 4 states. [2020-12-09 16:32:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:42,590 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2020-12-09 16:32:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 16:32:42,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-09 16:32:42,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:42,591 INFO L225 Difference]: With dead ends: 38 [2020-12-09 16:32:42,591 INFO L226 Difference]: Without dead ends: 38 [2020-12-09 16:32:42,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:32:42,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-09 16:32:42,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 29. [2020-12-09 16:32:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 16:32:42,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-12-09 16:32:42,596 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 8 [2020-12-09 16:32:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:42,596 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-12-09 16:32:42,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:32:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-12-09 16:32:42,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 16:32:42,597 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:42,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:42,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 16:32:42,798 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:42,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:42,800 INFO L82 PathProgramCache]: Analyzing trace with hash 179690704, now seen corresponding path program 1 times [2020-12-09 16:32:42,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:42,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114241017] [2020-12-09 16:32:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:42,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:32:42,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:42,935 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-09 16:32:42,935 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:32:42,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:32:42,943 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 16:32:42,943 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-09 16:32:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:42,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:42,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114241017] [2020-12-09 16:32:42,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:42,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:32:42,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347793556] [2020-12-09 16:32:42,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:32:42,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:42,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:32:42,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 16:32:42,972 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 6 states. [2020-12-09 16:32:43,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:43,097 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2020-12-09 16:32:43,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:32:43,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2020-12-09 16:32:43,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:43,099 INFO L225 Difference]: With dead ends: 58 [2020-12-09 16:32:43,099 INFO L226 Difference]: Without dead ends: 58 [2020-12-09 16:32:43,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-09 16:32:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-12-09 16:32:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 35. [2020-12-09 16:32:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-09 16:32:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2020-12-09 16:32:43,102 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 8 [2020-12-09 16:32:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:43,102 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2020-12-09 16:32:43,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:32:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2020-12-09 16:32:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 16:32:43,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:43,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:43,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 16:32:43,305 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:43,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:43,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1274213166, now seen corresponding path program 1 times [2020-12-09 16:32:43,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:43,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33583826] [2020-12-09 16:32:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:43,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:32:43,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:43,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:43,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33583826] [2020-12-09 16:32:43,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:43,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:32:43,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954075229] [2020-12-09 16:32:43,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:32:43,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:43,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:32:43,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:43,450 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 3 states. [2020-12-09 16:32:43,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:43,456 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2020-12-09 16:32:43,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:32:43,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-09 16:32:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:43,457 INFO L225 Difference]: With dead ends: 34 [2020-12-09 16:32:43,457 INFO L226 Difference]: Without dead ends: 34 [2020-12-09 16:32:43,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:43,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-09 16:32:43,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-09 16:32:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-09 16:32:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2020-12-09 16:32:43,461 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 9 [2020-12-09 16:32:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:43,461 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2020-12-09 16:32:43,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:32:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2020-12-09 16:32:43,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 16:32:43,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:43,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:43,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 16:32:43,663 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:43,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:43,665 INFO L82 PathProgramCache]: Analyzing trace with hash 845902566, now seen corresponding path program 1 times [2020-12-09 16:32:43,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:43,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768621316] [2020-12-09 16:32:43,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:43,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 16:32:43,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:43,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:43,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768621316] [2020-12-09 16:32:43,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:43,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:32:43,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46061530] [2020-12-09 16:32:43,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:32:43,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:43,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:32:43,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:32:43,752 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 4 states. [2020-12-09 16:32:43,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:43,770 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2020-12-09 16:32:43,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:32:43,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-09 16:32:43,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:43,771 INFO L225 Difference]: With dead ends: 33 [2020-12-09 16:32:43,771 INFO L226 Difference]: Without dead ends: 33 [2020-12-09 16:32:43,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:32:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-09 16:32:43,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-09 16:32:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-09 16:32:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2020-12-09 16:32:43,774 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 10 [2020-12-09 16:32:43,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:43,774 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2020-12-09 16:32:43,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:32:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2020-12-09 16:32:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 16:32:43,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:43,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:43,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-09 16:32:43,976 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:43,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:43,978 INFO L82 PathProgramCache]: Analyzing trace with hash 453175856, now seen corresponding path program 1 times [2020-12-09 16:32:43,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:43,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374391682] [2020-12-09 16:32:43,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:44,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:32:44,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:44,123 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-09 16:32:44,124 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:32:44,126 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:32:44,127 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 16:32:44,127 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-09 16:32:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:44,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:44,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374391682] [2020-12-09 16:32:44,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:44,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:32:44,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048823275] [2020-12-09 16:32:44,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:32:44,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:44,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:32:44,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:44,141 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2020-12-09 16:32:44,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:44,163 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2020-12-09 16:32:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:32:44,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-09 16:32:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:44,164 INFO L225 Difference]: With dead ends: 38 [2020-12-09 16:32:44,164 INFO L226 Difference]: Without dead ends: 38 [2020-12-09 16:32:44,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:32:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-09 16:32:44,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-09 16:32:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-09 16:32:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-12-09 16:32:44,166 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 11 [2020-12-09 16:32:44,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:44,166 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-12-09 16:32:44,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:32:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-12-09 16:32:44,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 16:32:44,167 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:44,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:44,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-12-09 16:32:44,368 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:44,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:44,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1163549737, now seen corresponding path program 1 times [2020-12-09 16:32:44,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:44,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732630035] [2020-12-09 16:32:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:44,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 16:32:44,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:44,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:44,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732630035] [2020-12-09 16:32:44,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:44,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:32:44,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27544677] [2020-12-09 16:32:44,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:32:44,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:44,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:32:44,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:32:44,424 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 4 states. [2020-12-09 16:32:44,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:44,448 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2020-12-09 16:32:44,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:32:44,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-09 16:32:44,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:44,449 INFO L225 Difference]: With dead ends: 32 [2020-12-09 16:32:44,449 INFO L226 Difference]: Without dead ends: 32 [2020-12-09 16:32:44,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:32:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-09 16:32:44,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-12-09 16:32:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-09 16:32:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2020-12-09 16:32:44,452 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 12 [2020-12-09 16:32:44,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:44,452 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2020-12-09 16:32:44,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:32:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2020-12-09 16:32:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 16:32:44,452 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:44,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:44,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-12-09 16:32:44,655 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:44,656 INFO L82 PathProgramCache]: Analyzing trace with hash 702945990, now seen corresponding path program 1 times [2020-12-09 16:32:44,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:44,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014031836] [2020-12-09 16:32:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:44,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:32:44,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:44,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:44,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014031836] [2020-12-09 16:32:44,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:44,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:32:44,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396980855] [2020-12-09 16:32:44,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:32:44,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:44,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:32:44,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-09 16:32:44,853 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 6 states. [2020-12-09 16:32:44,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:44,930 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-12-09 16:32:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:32:44,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-09 16:32:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:44,931 INFO L225 Difference]: With dead ends: 31 [2020-12-09 16:32:44,931 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 16:32:44,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:32:44,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 16:32:44,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-09 16:32:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 16:32:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-12-09 16:32:44,933 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 13 [2020-12-09 16:32:44,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:44,933 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-12-09 16:32:44,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:32:44,933 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-12-09 16:32:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 16:32:44,934 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:44,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:45,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-12-09 16:32:45,136 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:45,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:45,137 INFO L82 PathProgramCache]: Analyzing trace with hash 702991736, now seen corresponding path program 1 times [2020-12-09 16:32:45,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:45,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776951343] [2020-12-09 16:32:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:45,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 16:32:45,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:45,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:32:45,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776951343] [2020-12-09 16:32:45,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:32:45,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 16:32:45,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23031916] [2020-12-09 16:32:45,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:32:45,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:45,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:32:45,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 16:32:45,276 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 6 states. [2020-12-09 16:32:45,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:45,386 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-12-09 16:32:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 16:32:45,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-09 16:32:45,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:45,387 INFO L225 Difference]: With dead ends: 41 [2020-12-09 16:32:45,387 INFO L226 Difference]: Without dead ends: 41 [2020-12-09 16:32:45,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 16:32:45,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-09 16:32:45,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 31. [2020-12-09 16:32:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 16:32:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-12-09 16:32:45,390 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 13 [2020-12-09 16:32:45,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:45,390 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-12-09 16:32:45,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:32:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-12-09 16:32:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 16:32:45,391 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:45,391 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:45,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-12-09 16:32:45,592 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:45,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:45,594 INFO L82 PathProgramCache]: Analyzing trace with hash 702993658, now seen corresponding path program 1 times [2020-12-09 16:32:45,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:45,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109631364] [2020-12-09 16:32:45,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:45,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 16:32:45,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:45,705 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-09 16:32:45,706 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:32:45,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:32:45,716 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 16:32:45,717 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-09 16:32:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:45,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:32:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:46,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109631364] [2020-12-09 16:32:46,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [899485806] [2020-12-09 16:32:46,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:32:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:46,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 16:32:46,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:46,193 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-09 16:32:46,194 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:32:46,199 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:32:46,200 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 16:32:46,200 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-09 16:32:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:46,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:32:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:46,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366565034] [2020-12-09 16:32:46,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:32:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:32:46,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 16:32:46,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:32:46,278 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-09 16:32:46,278 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:32:46,284 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:32:46,285 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 16:32:46,285 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-09 16:32:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:46,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:32:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:32:46,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 16:32:46,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 11 [2020-12-09 16:32:46,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311069086] [2020-12-09 16:32:46,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 16:32:46,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:32:46,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 16:32:46,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-12-09 16:32:46,304 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 12 states. [2020-12-09 16:32:46,597 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-09 16:32:47,082 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-09 16:32:47,455 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-09 16:32:47,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:32:47,999 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2020-12-09 16:32:48,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-09 16:32:48,000 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-12-09 16:32:48,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:32:48,001 INFO L225 Difference]: With dead ends: 112 [2020-12-09 16:32:48,001 INFO L226 Difference]: Without dead ends: 112 [2020-12-09 16:32:48,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2020-12-09 16:32:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-09 16:32:48,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 49. [2020-12-09 16:32:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-09 16:32:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2020-12-09 16:32:48,005 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 13 [2020-12-09 16:32:48,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:32:48,005 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2020-12-09 16:32:48,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 16:32:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-12-09 16:32:48,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 16:32:48,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:32:48,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:32:48,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2020-12-09 16:32:48,608 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:32:48,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:32:48,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1949553038, now seen corresponding path program 1 times [2020-12-09 16:32:48,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:32:48,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724669939] [2020-12-09 16:32:48,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-12-09 16:32:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:32:48,672 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:32:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:32:48,694 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:32:48,725 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 16:32:48,725 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 16:32:48,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-12-09 16:32:48,951 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,952 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,956 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,960 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,962 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,962 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,963 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,963 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,963 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,964 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,964 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,965 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,965 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,966 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,966 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,966 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,967 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,967 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,969 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,969 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,969 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,970 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,970 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,970 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,973 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,973 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,973 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,974 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,974 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,974 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,974 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,975 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,975 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:48,975 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:48,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:32:48 BoogieIcfgContainer [2020-12-09 16:32:48,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:32:48,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:32:48,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:32:48,996 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:32:48,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:32:40" (3/4) ... [2020-12-09 16:32:48,998 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 16:32:49,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,006 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,006 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,006 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,006 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,006 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,006 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,006 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,007 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,007 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,007 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,013 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,013 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,015 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,015 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,015 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,015 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,015 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,015 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 16:32:49,015 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 16:32:49,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fbe234ea-f5dd-4cc5-a8da-a6adec7dce02/bin/utaipan/witness.graphml [2020-12-09 16:32:49,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:32:49,047 INFO L168 Benchmark]: Toolchain (without parser) took 8981.25 ms. Allocated memory was 52.4 MB in the beginning and 92.3 MB in the end (delta: 39.8 MB). Free memory was 29.1 MB in the beginning and 70.1 MB in the end (delta: -41.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:49,047 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:32:49,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.13 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 28.9 MB in the beginning and 44.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:49,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.62 ms. Allocated memory is still 75.5 MB. Free memory was 44.3 MB in the beginning and 42.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:49,048 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 ms. Allocated memory is still 75.5 MB. Free memory was 42.4 MB in the beginning and 41.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:49,048 INFO L168 Benchmark]: RCFGBuilder took 310.22 ms. Allocated memory is still 75.5 MB. Free memory was 41.0 MB in the beginning and 41.5 MB in the end (delta: -566.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:49,049 INFO L168 Benchmark]: TraceAbstraction took 8193.56 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.1 MB in the beginning and 31.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:49,049 INFO L168 Benchmark]: Witness Printer took 50.92 ms. Allocated memory is still 92.3 MB. Free memory was 31.7 MB in the beginning and 70.1 MB in the end (delta: -38.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:32:49,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.13 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 28.9 MB in the beginning and 44.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.62 ms. Allocated memory is still 75.5 MB. Free memory was 44.3 MB in the beginning and 42.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.28 ms. Allocated memory is still 75.5 MB. Free memory was 42.4 MB in the beginning and 41.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 310.22 ms. Allocated memory is still 75.5 MB. Free memory was 41.0 MB in the beginning and 41.5 MB in the end (delta: -566.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8193.56 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.1 MB in the beginning and 31.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Witness Printer took 50.92 ms. Allocated memory is still 92.3 MB. Free memory was 31.7 MB in the beginning and 70.1 MB in the end (delta: -38.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 538]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; VAL [i=1, ind=0, newsize=0, num=0] [L528] num = __VERIFIER_nondet_int() [L529] COND FALSE !(!(num > 0 && num < 100)) [L532] int *a = (int *)malloc(sizeof(int)); VAL [i=1, ind=0, newsize=0, num=1] [L533] COND FALSE !(a == ((void *)0)) [L536] newsize = 0 [L515] int *a = (int *)arg; [L516] int *b = ((void *)0); VAL [i=1, ind=0, newsize=0, num=1] [L517] COND TRUE newsize < num [L518] newsize = newsize + 1 [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i VAL [i=1, ind=0, newsize=1, num=1] [L521] a = b VAL [i=1, ind=0, newsize=1, num=1] [L517] COND FALSE !(newsize < num) VAL [i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.0s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 316 SDtfs, 777 SDslu, 299 SDs, 0 SdLazy, 418 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 150 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 168 ConstructedInterpolants, 10 QuantifiedInterpolants, 11039 SizeOfPredicates, 33 NumberOfNonLiveVariables, 813 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 5/29 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...